Lo que los fósiles nos enseñan sobre la Tierra (Investigating Fossils)

For thousands of years, militaries around the world were limited to male soldiers. However, throughout history, brave women have stepped out of the background and onto the battlefield. This biographical text covers the important women who’ve broken ground in the military. Famous historical figures such as Joan of Arc, Clara Barton, and Florence Nightingale are covered in depth, while the stories of modern-day heroes are presented to show how women are still affecting change on the front lines. A comprehensive timeline, fact boxes, and historical and modern images complete this...

Read Along or Enhanced eBook: Learn all about the incredible things your heart, lungs, arteries, and circulatory system do and how to keep them healthy and strong! With vibrant images and informational text in conjunction with supportive diagrams and stimulating facts, this Spanish-translated nonfiction title introduces readers to basic biology and vocabulary.

En un crudo día de invierno de 1650, René Descartes fue enterrado lejos de su hogar. Dieciséis años más tarde, el embajador francés exhumó secretamente sus huesos y los transportó a Francia. La historia de estas insólitas reliquias involucra a los personajes más diversos que usaron estos huesos.

"Explains many different ways that children can show manners on the school bus--in both English and Spanish"--Provided by publisher.

It may be hard to believe that 140 characters are enough to get a message out to millions of people, but Twitter's users do so every minute. Twitter is vital in many different spheres. This book introduces readers to how they, too, can tweet purposefully. Users can promote their personal brands, network for jobs and gigs, or leverage the platform for political change, education, or worthy causes. This book offers young people ways to amplify their voices and build community via this dynamic tool, while staying focused and safe.